268840990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{78839}}^1$

素因数の和:78888

約数の個数: 32

約数和(自身を含む): 544942080

約数和(自身を除く): 276101090

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 78839, 157678, 394195, 788390, 867229, 1734458, 2444009, 4336145, 4888018, 8672290, 12220045, 24440090, 26884099, 53768198, 134420495, 268840990]

約数ペア:

[(1, 268840990), (2, 134420495), (5, 53768198), (10, 26884099), (11, 24440090), (22, 12220045), (31, 8672290), (55, 4888018), (62, 4336145), (110, 2444009), (155, 1734458), (310, 867229), (341, 788390), (682, 394195), (1705, 157678), (3410, 78839)]